code: def combine_executable_and_time(
      serialized_executable: bytes, compile_time: int
  ) -> bytes:
      """Given the serialized executable and the compilation time, produce a cache
      entry in the format shown below.
  
      The cache entry is of the form:
      Byte:     0    1    2    3    4 ...
      Content:  compilation time    serialized executable
                (big-endian int)
      """
      return (
          int(compile_time).to_bytes(4, byteorder="big")
          + serialized_executable
      )
  
imports: from __future__ import annotations
  import logging
  import threading
  import warnings
  import zlib
  import numpy
  from jax._src import cache_key
  from jax._src.compilation_cache_interface import CacheInterface
  from jax._src import config
  from jax._src import monitoring
  from jax._src.gfile_cache import GFileCache
  from jax._src.lib import xla_client
  from jax._src.lib.mlir import ir
label_desc: Use image node_id 16 for calling a global function with example usage: combine_executable_and_time(serialized_executable, compile_time) and returns: unknown